fix errors thrown by jslint
fix errors thrown by jslint

lognormal/boomerang,sdgdsffdsfff/boomerang,levexis/boomerang,forcedotcom/kylie,yahoo/boomerang,forcedotcom/kylie,FredXue/boomerang,lognormal/boomerang,FredXue/boomerang,levexis/boomerang,sdgdsffdsfff/boomerang